Cross Section Design and Longitudinal Studies - Essay Example

Essay SPSS One can use the question to review the difference between cross section design and longitudinal studies so as to allowthe researcher even to capture the changes over a span of time and also the study greatest strength. The longitudinal study nevertheless suffers from a number of setbacks. • The information needs are subject to changes in time hence bringing in concerns about whether measurement questions should be consistent for comparability purposes. Failure by the researcher to make consistent questions will lead to difficulty in comparison of the answers from time to time. • The environment is dynamic: certain issues in the environment may draw high attention currently than they might have done previously (Gallup poll keep consistency in questions of measurement to some political polls even if events at some point had made questions less for this same reason). • People are dynamic. The moment the respondent matures, varying answers reflect not only their level of maturity but also sensitivity and familiarity of the topics. Measurement session may tune participants into topics once altered. The participants of the group may change due to illness, become potential parents, loose interests or even die hence dropping out longitudinal sample study. This is the right time for discussion whether respondents that are being replaced are required to be matched for the results to be comparable in the study of longitudinal. 2. The possibilities for the student choices are fairly broad. The question does well as a group exercise where you divide findings, and each group picks more than one facts from the subset of findings to base on for argument. Additionally, it is a great time to reinforce that even fewer statistics can be more memorable than many statistics when making a point to capture the attention. 3. Students often have varied costs linked with reaching diverse subsets of the sample. Although it is not yet right time to discuss budgetary of research, Students have the wrong perception that online surveys are the best as far as cost constraint is concerned. It is the right time to discuss on the web survey that they are no free, and many other factors influence the online survey or any other method. Apparently, proof point was in a position of trying to establish an IT provider in UK, so quoting U.S statistics study would not encompass captured concentration once felt is important in UK. If the first study in UK shows cohesion with US then reassessment of data could be done if it were necessary. 4. It is the right time to make a discussion on exhibit 4-3 proposing research. Cost of study compared with the importance value is a vital determinant for justification of research. This is marketing return on investment question and return on investment research question. If at all IT is looking at proof point as a leader of an industry due to its provision of research to industry, then not doing the subsequent year study would erode the perception of leadership. The questions to be asked are: is the cost research more than the value of perception or it is less than? How much perception is worth to attract business proof point? Read More